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authorHerbert Xu <herbert@gondor.apana.org.au>2009-05-26 14:50:34 -0400
committerDavid S. Miller <davem@davemloft.net>2009-05-27 06:26:05 -0400
commita2a804cddfe65f18f903985e8a8d04c7c9eec354 (patch)
tree93c81d1a672b52ff8ec38fefa227ab894b37ec62
parent9aaa156cf9b7e9d9ed899f254283b91c4e3c36c8 (diff)
tcp: Do not check flush when comparing options for GRO
There is no need to repeatedly check flush when comparing TCP options for GRO as it will be false 99% of the time where it matters. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/tcp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index c3dcec5efea5..0fb8b441f1f9 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2570,7 +2570,7 @@ found:
2570 flush |= (flags ^ tcp_flag_word(th2)) & 2570 flush |= (flags ^ tcp_flag_word(th2)) &
2571 ~(TCP_FLAG_CWR | TCP_FLAG_FIN | TCP_FLAG_PSH); 2571 ~(TCP_FLAG_CWR | TCP_FLAG_FIN | TCP_FLAG_PSH);
2572 flush |= th->ack_seq ^ th2->ack_seq; 2572 flush |= th->ack_seq ^ th2->ack_seq;
2573 for (i = sizeof(*th); !flush && i < thlen; i += 4) 2573 for (i = sizeof(*th); i < thlen; i += 4)
2574 flush |= *(u32 *)((u8 *)th + i) ^ 2574 flush |= *(u32 *)((u8 *)th + i) ^
2575 *(u32 *)((u8 *)th2 + i); 2575 *(u32 *)((u8 *)th2 + i);
2576 2576